Bulletin of the National Research Centre

Table 10 Growth criteria of kenaf and flax planting seasons

From: Phytoremediation of some heavy metals in contaminated soil

Treatment		First planting season (kenaf)		Second planting season (flax)
Soil addition	Foliar spraying	Average height (m)	Average weight per plant (kg)	Average height (m)	Average weight per plant (kg)
Sulfur	Humic acid	4.059^b	2.95^b	1.280^b	0.09^b
	Gibberellin	4.110^a	3.35^a	1.317^a	0.12^a
	Control	4.045^c	2.15^c	1.275^c	0.07^c
Compost	Humic acid	4.015^d	1.89^e	1.250^e	0.05^e
	Gibberellin	4.015^d	1.93^d	1.262^d	0.06^d
	Control	3.915^e	1.16^g	1.226^g	0.05^e
Control	Humic acid	3.642^j	0.90^j	1.195ⁱ	0.03^g
	Gibberellin	3.700ⁱ	0.97ⁱ	1.200^h	0.04^f
	Control	3.163^k	0.64^k	1.180^j	0.02^h
Vermiculite	Humic acid	3.844^g	1.03^h	1.240^f	0.05^e
	Gibberellin	3.990^f	1.18^f	1.250^e	0.05^e
	Control	3.827^h	0.97ⁱ	1.240^f	0.04^f
Mean		3.863	1.593	1.280	0.056
Minimum		3.163	0.636	1.250	0.024
Maximum		4.110	3.354	1.317	0.120

Values with different letters in a column are significantly different at the 0.05 level
Italics, calculated mean, minimum, and maximum

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